Naphthenic
环烷的, (脂)环烃的
🗣️ 情景例句
Their life together has been wonderfully happy.
他们在一起的生活极为幸福。
Which is the right size?
哪个尺码是对的？
I'd like to know how you reached your conclusions.
我想知道你们是如何得出结论的。